Circular Track Problems In Aptitue For Competitive Exams

Boats And Stream Problems In Aptitude For Competitive Exams Like CAT, SSC, IBPS Bank PO, IAS, Gate And Other Government Exams.

Concept Of Circular track Problems:
Condition 1: When Two Person With Speed S1 Km/hour And S2 Km/hour, Starting With A Same Position On The Circumference Of Track C Km In Same Direction, Then
A.Time Taken For Meeting First Time At Any Position: (C/S1-S2) Hour
B.Time Taken For Meeting At Starting Point, At First Time:
LCM(C/S1.C/S2)hour.
Condition 2: When Two Person With Speed S1 Km/hour And S2 Km/hour, Starting With A Same Position On The Circumference Of Track C Km In Opposite Direction:
A.Time Taken For Meeting First Time At Any Position: (C/S1+S2) Hour
B.Time Taken For Meeting At Starting Point, At First Time:
LCM(C/S1.C/S2)hour.
Notes1.We Can Use The Concept Of Time  Speed And Distance For Convering Km/hour To Metre/ Second Or Vice Versa
Notes2: When We Consider Sign Of Above Formula Then This Is Same As Rail Problem.
Notes3: In Rail And Circular Track Problem In Same Direction We Use – Sign And For Opposite Direction We Use + Sign. But In Stream And Boats Problem Converse Is True.




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